Hurricane Intelligence Florida: Florida impacts and ENSO, 1851 to present. A JnGmedia property.

AL092024 | 2024 season

Helene

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Neutral 4FL impact Major Hurricane (Cat 3+) Rapid Intensification
Formed
2024-09-23
Dissipated
2024-09-28
Peak wind
120 kt
Lifetime category
4
Min pressure
939 mb (lifetime)
Florida date
2024-09-27
Approach
gulf
FL regions
NW4
Center landfall
yes (1)
ENSO (ASO ONI)
-0.17
Peak surge (FL)
16 ft (Keaton Beach to south of Steinhatchee)

Surge: inundation above ground level, 12-16 ft across the landfall zone. Destroyed roughly 80 percent of buildings in Keaton Beach and Steinhatchee; record inundation at Cedar Key (9.3 ft). Source: NHC Tropical Cyclone Report.

Track

88W86W84W82W80W16N18N20N22N24N26N28N30N32N34N36N38N

HURDAT2 best track. Coastline is stylized for orientation, not a boundary source.

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Intensity

Cat 1Cat 2Cat 3Cat 4Cat 5FL09/2409/2509/2609/2709/28120kt

Maximum sustained wind over the storm lifetime, with Saffir-Simpson thresholds and the Florida-relevant date marked. All values from HURDAT2.

Official Sources

NHC GIS best track

How This Record Was Built

join: name_match | confidence: high | pressure diff: 0mb | enrichment v1.3.0 | status: machine_enriched

Impact facts from the NOAA Continental US Hurricane Impacts table; track and intensity from NOAA HURDAT2; ENSO phase from CPC ONI. Full rules on the methodology page.

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